7271087723 has 4 divisors (see below), whose sum is σ = 7448431368. Its totient is φ = 7093744080.

The previous prime is 7271087689. The next prime is 7271087753. The reversal of 7271087723 is 3277801727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7271087723 is a prime.

It is a super-2 number, since 2×7271087723² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7271087753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88671761 + ... + 88671842.

It is an arithmetic number, because the mean of its divisors is an integer number (1862107842).

Almost surely, 2^7271087723 is an apocalyptic number.

7271087723 is a deficient number, since it is larger than the sum of its proper divisors (177343645).

7271087723 is a wasteful number, since it uses less digits than its factorization.

7271087723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177343644.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 7271087723 is about 85270.6732880655. The cubic root of 7271087723 is about 1937.3130090395.

The spelling of 7271087723 in words is "seven billion, two hundred seventy-one million, eighty-seven thousand, seven hundred twenty-three".